File Source for Pattern.class.php

<?php
/*
* This work is hereby released into the Public Domain.
* To view a copy of the public domain dedication,
* visit http://creativecommons.org/licenses/publicdomain/ or send a letter to
* Creative Commons, 559 Nathan Abbott Way, Stanford, California 94305, USA.
*
*/
require_once dirname(__FILE__)."/Graph.class.php";
/**
* All patterns must derivate from this class
*
* @package linea21.externals
* @subpackage artichow
*/
abstract class awPattern {
/**
* Pattern arguments
*
* @var array
*/
protected $args = array();
/**
* Load a pattern
*
* @param string $pattern Pattern name
* @return Component
*/
public static function get($pattern) {
$file = ARTICHOW_PATTERN.DIRECTORY_SEPARATOR.$pattern.'.php';
if(is_file($file)) {
require_once $file;
$class = $pattern.'Pattern';
if(class_exists($class)) {
return new $class;
} else {
awImage::drawError("Class Pattern: Class '".$class."' does not exist.");
}
} else {
awImage::drawError("Class Pattern: Pattern '".$pattern."' does not exist.");
}
}
/**
* Change pattern argument
*
* @param string $name Argument name
* @param mixed $value Argument value
*/
public function setArg($name, $value) {
if(is_string($name)) {
$this->args[$name] = $value;
}
}
/**
* Get an argument
*
* @param string $name
* @param mixed $default Default value if the argument does not exist (default to NULL)
* @return mixed Argument value
*/
protected function getArg($name, $default = NULL) {
if(array_key_exists($name, $this->args)) {
return $this->args[$name];
} else {
return $default;
}
}
/**
* Change several arguments
*
* @param array $args New arguments
*/
public function setArgs($args) {
if(is_array($args)) {
foreach($args as $name => $value) {
$this->setArg($name, $value);
}
}
}
}
registerClass('Pattern', TRUE);
?>

Source for file Pattern.class.php